CN116025340A - Pressure sensor for monitoring air pressure under oil well - Google Patents
Pressure sensor for monitoring air pressure under oil well Download PDFInfo
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- CN116025340A CN116025340A CN202310173273.5A CN202310173273A CN116025340A CN 116025340 A CN116025340 A CN 116025340A CN 202310173273 A CN202310173273 A CN 202310173273A CN 116025340 A CN116025340 A CN 116025340A
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Abstract
The invention relates to the technical field of detecting instruments and discloses a pressure sensor for monitoring air pressure under an oil well, which comprises a liquid storage tank, wherein a vent hole I is formed in the position, close to the outer side, of the top of the liquid storage tank, a connecting block is fixedly arranged at the top of the liquid storage tank, a conical hole is formed in the connecting block, a sealing ball is placed in the conical hole, a pressure measuring bin is fixedly arranged at the top of the conical hole, and a pressure measuring device is fixedly arranged at the top of an inner cavity of the pressure measuring bin. The pressure gauge can detect the air pressure change in the liquid storage tubes at the moment, the total change of the air pressure is obtained by adding the values of all detected pressure gauges, and the detection method is superior to the traditional U-shaped tube barometer in that a large error occurs in the detection result once the U-shaped tube is in a problem, and the application document adopts multi-tube common detection, so that the atmospheric pressure acts on the insides of a plurality of liquid storage tubes and is detected together, thereby well avoiding the existence of the error.
Description
Technical Field
The invention relates to the technical field of detection instruments, in particular to a pressure sensor for monitoring air pressure under an oil well.
Background
Air pressure is one of the inside important indexes of oil well, and the technicians can adopt air pressure monitoring facilities to carry out twenty-four hours continuous monitoring to air pressure in pit to guarantee the safety of production, traditional air pressure monitoring facilities generally have two kinds, are U type pipe air compressor and no liquid formula air compressor respectively, and U type pipe detects air pressure through the liquid level change of inside liquid, and no liquid formula air compressor then monitors air compressor by utilizing the deformation degree of vacuum metal box, and these two kinds of pressure sensor are the pressure sensor that uses the scope the most widely at present, have simple structure, convenient to use and low cost scheduling advantage.
Although the existing pressure sensor for monitoring the air pressure under the oil well has the advantages, certain limitations still exist in the practical use process, the U-shaped tube needs to be vertically placed to ensure accurate monitored values, certain limitations exist for complex environments under the oil well, the problem of metal fatigue can occur in the use of the liquid-free air pressure meter for a long time, and the error occurs in the monitored result.
Disclosure of Invention
Aiming at the defects of the existing pressure sensor for monitoring the air pressure under the oil well in the use process, the invention provides the pressure sensor for monitoring the air pressure under the oil well, which has the advantages of eliminating errors and improving the monitoring stability, and solves the problems in the background technology.
The invention provides the following technical scheme: the utility model provides an air pressure monitoring is with pressure sensor under oil well, includes the centre bin, circulation hole and drain hole have been seted up to the surface of centre bin, and the circulation hole is with annular array's mode evenly distributed on the centre bin surface, fixed mounting has detection device on the position that centre bin surface corresponds with the circulation hole, fixed mounting has catheter I on the position that centre bin surface corresponds with the drain hole, the top fixed mounting of circulation hole has airtight device, catheter I runs through airtight device and extends to airtight device's outside, rotatory pipe box has been cup jointed in the activity of catheter I's one end, catheter II has been cup jointed in the activity of rotatory pipe box's one end, catheter II's one end fixed mounting has the installation piece, one side fixed mounting of installation piece has the sealed tube of air vent II, the one end and the catheter II of sealed tube of air vent II are linked together.
Preferably, the detection device comprises a liquid storage pipe, the liquid storage pipe is arranged on the outer surface of the central bin, the axis of the liquid storage pipe and the axis of the flow hole are located on the same central line, a vent hole I is formed in the position, close to the outer side, of the top of the liquid storage pipe, a connecting block is fixedly arranged at the top of the liquid storage pipe, a conical hole is formed in the connecting block, a sealing ball is arranged in the conical hole, a pressure measuring bin is fixedly arranged at the top of the conical hole, a pressure measuring device is fixedly arranged at the top of an inner cavity of the pressure measuring bin, a connecting pipe is fixedly arranged at the top of the pressure measuring bin, and the connecting pipe is fixedly connected with an airtight device, and a vent hole III is formed in the position, close to the outer side of the pressure measuring device, of the top of the pressure measuring bin.
Preferably, the airtight device comprises an inner airtight ball, an airtight hole is formed in the inner wall of the inner airtight ball, the inner wall of the inner airtight ball is fixedly connected with the pressure measuring device, the airtight hole corresponds to the pressure measuring device, a connecting frame is fixedly arranged on the outer surface of the inner airtight ball, an outer airtight ball is fixedly arranged on the outer surface of the connecting frame, a liquid guide pipe I penetrates through the inner airtight ball and the outer airtight ball to extend to the outer side, and an air inlet device is fixedly arranged on the outer surface of the outer airtight ball.
Preferably, the diameter of the sealing ball is larger than the opening diameter of the top of the conical hole, and the diameter of the sealing ball is smaller than the opening diameter of the bottom of the conical hole.
Preferably, the sealing ball is made of rubber.
Preferably, the air inlet device comprises a travel sleeve, the travel sleeve is fixedly arranged on the outer surface of the outer airtight ball, a sleeve hole is formed in the top of the travel sleeve, an air guide sleeve is movably sleeved in the travel sleeve, an air inlet hole I is formed in the position, located outside the air guide sleeve, of the top of the travel sleeve, an air baffle is fixedly arranged at the bottom of the air guide sleeve, the air baffle is attached to the bottom of the air inlet hole I, an air inlet hole II is formed in the position, close to the top, of the outer surface of the air guide sleeve, a pressing block is fixedly arranged at the top of the air guide sleeve, a reset spring is fixedly arranged at the bottom of the air baffle, and the bottom of the reset spring is fixedly connected with the inner airtight ball.
Preferably, the liquid guide tube I, the rotary tube sleeve and the liquid guide tube II are subjected to sealing treatment.
Preferably, the central bin and the liquid storage tube are filled with water, and the top of the vent hole II sealing tube is kept flush with the top of the liquid storage tube.
The invention has the following beneficial effects:
1. according to the invention, the detection device is fixedly arranged at the position corresponding to the circulation hole on the outer surface of the central bin, so that the detection device is positioned above the horizontal plane in any posture, water in the detection device is displaced under the action of atmospheric pressure, a cavity is formed after the water in the liquid storage tube is displaced, the internal air pressure is reduced, the pressure measuring bin is fixedly arranged at the top of the conical hole, the pressure measuring device is fixedly arranged at the top of the pressure measuring bin, the pressure measuring device can detect the air pressure change in the liquid storage tube at the moment, the total change of the air pressure is obtained by adding the values of all the detected pressure measuring devices, the detection method is superior to the traditional U-shaped tube barometer, and the detection method can cause larger error in the detection result once the U-shaped tube is in a problem, and the application file adopts multitube joint detection, the atmospheric pressure acts on the inside the liquid storage tubes and jointly detects the error, meanwhile, compared with the traditional non-liquid barometer, the air pressure is monitored by adopting the self deformation degree of the metal material, the detection method can cause the metal material to be always in the state of the metal material, so that the fatigue is well avoided, and the problem of the detection device is well caused.
2. According to the invention, the diameter of the sealing ball is larger than the opening diameter of the top of the conical hole, the diameter of the sealing ball is smaller than the opening diameter of the bottom of the conical hole, when the detection device is wholly positioned above the horizontal plane, the sealing ball is positioned at the top of the liquid storage tube under the action of gravity, the conical hole and the inner cavity of the pressure measuring bin can be communicated with the inner cavity of the liquid storage tube, so that the pressure measuring device can detect the change of air pressure, and when the detection device is wholly positioned below the horizontal plane. At this moment, the sealing ball blocks the conical hole under the action of gravity, and water in the central bin and the liquid storage pipe cannot enter the inner cavity of the pressure measuring bin through the vent hole I and the conical hole, so that the damage caused by the contact of the pressure measuring device with water is avoided, in addition, the problem that the error occurs in monitoring data due to the action of liquid pressure and the pressure measuring device is avoided, and the monitoring stability of the device is improved.
3. According to the invention, the air inlet hole II is formed in the position, close to the top, of the outer surface of the air guide sleeve, the lower pressing block is fixedly arranged at the top of the air guide sleeve, so that when the lower pressing block is pressed down, external air can enter the detection device through the air inlet hole I and the air inlet hole II, the air pressure in the detection device is equal to the external air pressure, the initialization function is realized, the device can be initialized by pressing the lower pressing block before the device is put down in a well, a user can conveniently set a monitoring reference plane, the practicability of the device is improved, and meanwhile, when partial air in the device is dissolved in water to cause the air pressure in the device to be smaller in an initial state, the external air can be supplemented through the same operation, so that the internal air pressure is recovered to be normal, and the monitoring accuracy of the device is improved.
4. According to the invention, the catheter I penetrates through the airtight device and extends to the outer side of the airtight device, one end of the catheter I is movably sleeved with the rotary pipe sleeve, so that an operator can rotate the airtight device around the axis of the rotary pipe sleeve, the detection devices in the airtight device are continuously exchanged in the vertical direction in the rotating process, and the user can realize multiple detection on the air pressure by utilizing different detection devices in the mode, thereby avoiding the occurrence of monitoring errors caused by damage of a single detection device, ensuring the accuracy of monitoring data and improving the reliability of monitoring of the device.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic view of a cross-section in direction A of FIG. 2, which is a structural diagram of the present invention;
FIG. 4 is a schematic view of a cross-section in the direction B of FIG. 3, which is a structural diagram of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the present invention at C in FIG. 4;
FIG. 6 is a schematic diagram of a structure detection device according to the present invention;
FIG. 7 is a schematic front view of a structure detection device according to the present invention;
FIG. 8 is a schematic view of a section in the direction D of FIG. 7, which is a structural diagram of the present invention.
In the figure: 1. a central bin; 2a, a flow hole; 2b, a liquid guide hole; 3. a detection device; 31. a liquid storage tube; 32. a vent hole I; 33. a connecting block; 34. a tapered bore; 35. a sealing ball; 36. a pressure measuring bin; 37. a pressure gauge; 38. a connecting pipe; 39. a vent III; 9. a vent hole II; 4. a liquid guiding tube I; 5. an airtight device; 51. an inner airtight ball; 52. an airtight hole; 53. a connecting frame; 54. an outer airtight ball; 55. an air intake device; 551. a travel sleeve; 552. an air guide sleeve; 553. an air inlet I; 554. a gas baffle; 555. an air inlet II; 556. pressing the block; 557. a return spring; 6. a rotary sleeve; 7. a catheter II; 8. a mounting block; 9. sealing the tube.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a pressure sensor for monitoring air pressure under oil well comprises a central bin 1, wherein the outer surface of the central bin 1 is provided with a flow hole 2a and a liquid guide hole 2b, the flow hole 2a is uniformly distributed on the outer surface of the central bin 1 in a ring array, a detection device 3 is fixedly arranged on the position of the outer surface of the central bin 1 corresponding to the flow hole 2a, the detection device 3 is arranged on the air seal device 5 in any posture, so that the detection device 3 is positioned above a horizontal plane, water in the detection device 3 is displaced under the action of atmospheric pressure, a liquid guide pipe i 4 is fixedly arranged on the position of the outer surface of the central bin 1 corresponding to the liquid guide hole 2b, an airtight device 5 is fixedly arranged at the top of the flow hole 2a, the liquid guide pipe i 4 penetrates through the airtight device 5 and extends to the outer side of the airtight device 5, one end activity of catheter I4 has cup jointed swivel tube box 6 for the operator can make it rotate around swivel tube box 6's axis through rotating airtight device 5, make the inside detection device 3 of airtight device 5 constantly exchange about the horizontal plane at pivoted in-process, user's accessible this mode realizes utilizing different detection device 3 to carry out a lot of to the air pressure and detects, thereby avoid appearing the impaired monitoring error that causes of single detection device 3, the accuracy of monitoring data has been guaranteed, the reliability of the device monitoring has been improved, swivel tube box 6's one end activity has cup jointed catheter II 7, catheter II 7's one end fixed mounting has installation piece 8, one side fixed mounting of installation piece 8 has air vent II sealed tube 9, air vent II sealed tube 9's one end and catheter II 7 are linked together.
Referring to fig. 1-8, the detecting device 3 includes a liquid storage tube 31, the liquid storage tube 31 is mounted on the outer surface of the central bin 1, the axis of the liquid storage tube 31 and the axis of the flow hole 2a are located on the same central line, the water in the liquid storage tube 31 is displaced to form a cavity, meanwhile, the air pressure in the liquid storage tube is reduced, a vent hole i 32 is formed in the position, close to the outer side, of the top of the liquid storage tube 31, a connecting block 33 is fixedly mounted at the top of the liquid storage tube 31, a conical hole 34 is formed in the connecting block 33, a sealing ball 35 is placed in the conical hole 34, a pressure measuring bin 36 is fixedly mounted at the top of the conical hole 34, a pressure measuring device 37 is fixedly mounted at the top of the inner cavity of the pressure measuring bin 36, the pressure measuring device 37 detects the air pressure change in the liquid storage tube 31 at this time, the total change of the air pressure is obtained by adding all the values detected by the pressure measuring devices 37, the detection of the air pressure is realized, compared with the traditional U-shaped tube barometer, the detection method has the advantages that as the adopted single tube detection method causes larger error in the detection result once the U-shaped tube is in a problem, the application file adopts multi-tube joint detection, atmospheric pressure is acted on the interiors of the liquid storage tubes 31 and is jointly detected, the error is well avoided, meanwhile, compared with the traditional non-liquid barometer, the air pressure is monitored by adopting the self deformation degree of the metal material, the detection method can cause the metal material to be always in a deformed state, thereby causing metal fatigue and also causing error, the application file well avoids the problems, the stability of the device for detection is improved, the connecting tube 38 is fixedly arranged at the top of the pressure measuring bin 36, the connecting tube 38 is fixedly connected with the airtight device 5, the top of the pressure measuring bin 36 is provided with a vent hole III 39 at a position outside the pressure measuring device 37.
Referring to fig. 1-8, the airtight device 5 includes an inner airtight ball 51, an airtight hole 52 is formed in an inner wall of the inner airtight ball 51, the inner wall of the inner airtight ball 51 is fixedly connected with the pressure gauge 37, the airtight hole 52 corresponds to the pressure gauge 37, a connecting frame 53 is fixedly mounted on an outer surface of the inner airtight ball 51, an outer airtight ball 54 is fixedly mounted on an outer surface of the connecting frame 53, a catheter i 4 extends to the outside through the inner airtight ball 51 and the outer airtight ball 54, and an air inlet device 55 is fixedly mounted on an outer surface of the outer airtight ball 54.
Referring to fig. 1-8, the diameter of the sealing ball 35 is larger than the opening diameter of the top of the tapered hole 34, the diameter of the sealing ball 35 is smaller than the opening diameter of the bottom of the tapered hole 34, when the detection device 3 is located above the water level as a whole, the sealing ball 35 is located at the top of the liquid storage tube 31 under the action of gravity, and the tapered hole 34 and the inner cavity of the pressure measuring bin 36 can be communicated with the inner cavity of the liquid storage tube 31, so that the pressure measuring device 37 can detect the change of air pressure, and when the detection device 3 is located below the water level as a whole. At this time, the sealing ball 35 blocks the conical hole 34 under the action of gravity, and at this time, water in the central bin 1 and the liquid storage tube 31 cannot enter into the inner cavity of the pressure measuring bin 36 through the air vent I32 and the conical hole 34, so that the damage caused by the contact of the pressure measuring device 37 with water is avoided, in addition, the problem that the error occurs in monitoring data due to the action of liquid pressure and the pressure measuring device 37 is also avoided, and the monitoring stability of the device is improved.
Referring to fig. 6 to 8, the sealing ball 35 is made of rubber.
Referring to fig. 1-5, the air inlet device 55 includes a travel sleeve 551, the travel sleeve 551 is fixedly installed on the outer surface of the outer airtight ball 54, a sleeve hole is formed at the top of the travel sleeve 551, and an air guide sleeve 552 is movably sleeved in the sleeve, an air inlet hole i 553 is formed at the top of the travel sleeve 551 at the position outside the air guide sleeve 552, an air baffle 554 is fixedly installed at the bottom of the air guide sleeve 552, the air baffle 554 is attached to the bottom of the air inlet hole i 553, an air inlet hole ii 555 is formed at the position, close to the top, of the outer surface of the air guide sleeve 552, a pressing block 556 is fixedly installed at the top of the air guide sleeve 552, so that when the pressing block 556 is pressed down, outside air can enter the inside of the detection device 3 through the air inlet hole i and ii 555, so that the air pressure inside the detection device 3 is equal to the outside air pressure, thereby realizing the initializing function, so that before the device is lowered down-hole, the pressing block 556 can initialize the device, thereby facilitating the user to set a monitored reference plane, improving the practicability of the device, simultaneously, when the device is in the inside part of the device is in the state of being in the water, the same air pressure is restored to the inside the device, and the air inlet hole ii 555 is in the inside of the detection device 3, and the outside air pressure is equal to the outside air pressure, so that the inside the air pressure of the detection device is reset, and the air pressure of the air in the device is accurately, and the air pressure is detected, and the inside the device is in the air device, and the air device is reset, and when the air pressure is in the air device is in the air-down state, and the air device is in the air.
Referring to fig. 1-5, the catheter i 4, the swivel sleeve 6 and the catheter ii 7 are sealed.
Referring to fig. 1-8, the central bin 1 and the liquid storage tube 31 are filled with water, and the top of the vent hole ii sealing tube 9 is kept flush with the top of the liquid storage tube 31.
The application method of the invention is as follows:
in the use process, the airtight device 5 is located on the horizontal plane in any posture, so that the water in the detection device 3 is displaced under the action of atmospheric pressure, a cavity can appear after the water in the liquid storage tube 31 is displaced, meanwhile, the air pressure in the liquid storage tube 31 is reduced, the pressure detector 37 can detect the air pressure change in the liquid storage tube 31, the total change of the air pressure is obtained by adding the values of all the detected pressure detectors 37, the air pressure is detected, when the detection device 3 is integrally located above the horizontal plane, the sealing ball 35 is located at the top of the liquid storage tube 31 under the action of gravity, the conical hole 34 and the inner cavity of the pressure measuring bin 36 can be communicated with the inner cavity of the liquid storage tube 31, the pressure detector 37 can detect the air pressure change, and when the detection device 3 is integrally located below the horizontal plane. At this time, the sealing ball 35 blocks the conical hole 34 under the action of gravity, at this time, water in the central bin 1 and the liquid storage tube 31 cannot enter the inner cavity of the pressure measuring bin 36 through the vent hole I32 and the conical hole 34, when the pressure reducing block 556 is pressed down, external air can enter the inside of the detection device 3 through the air inlet hole I553 and the air inlet hole II 555, so that the air pressure inside the detection device 3 is equal to the external air pressure, an initializing function is realized, the device can be initialized by pressing the pressure reducing block 556 before the device is put down in the well, a user can set a monitored reference plane conveniently, when partial air inside the device is dissolved in water to cause the initial state, the air pressure inside the device is small, or the external air can be supplemented through the same operation, so that the internal air pressure can be recovered to be normal, an operator can rotate the air sealing device 5 around the axis of the rotating pipe sleeve 6, the detection device 3 inside the air sealing device 5 can be continuously exchanged in the upper and lower directions of the horizontal plane in the rotating process, and the user can realize the detection of the air pressure by using different detection devices 3 for multiple times.
Claims (8)
1. The utility model provides an air pressure monitoring is with pressure sensor under oil well, includes center storehouse (1), its characterized in that: the outer surface of the central bin (1) is provided with a flow hole (2 a) and a liquid guide hole (2 b), the flow holes (2 a) are uniformly distributed on the outer surface of the central bin (1) in a ring array mode, a detection device (3) is fixedly arranged at a position corresponding to the flow hole (2 a) on the outer surface of the central bin (1), a liquid guide pipe I (4) is fixedly arranged at a position corresponding to the liquid guide hole (2 b) on the outer surface of the central bin (1), an airtight device (5) is fixedly arranged at the top of the flow hole (2 a), the catheter I (4) penetrates through the airtight device (5) and extends to the outer side of the airtight device (5), a rotary pipe sleeve (6) is movably sleeved at one end of the catheter I (4), a catheter II (7) is movably sleeved at one end of the rotary pipe sleeve (6), a mounting block (8) is fixedly mounted at one end of the catheter II (7), a vent hole II sealing tube (9) is fixedly mounted at one side of the mounting block (8), and one end of the vent hole II sealing tube (9) is communicated with the catheter II (7).
2. A pressure sensor for monitoring the air pressure under an oil well according to claim 1, wherein: the detection device (3) comprises a liquid storage pipe (31), the liquid storage pipe (31) is arranged on the outer surface of a central bin (1), the axis of the liquid storage pipe (31) and the axis of a circulating hole (2 a) are located on the same central line, a vent hole I (32) is formed in the position, close to the outer side, of the top of the liquid storage pipe (31), a connecting block (33) is fixedly arranged at the top of the liquid storage pipe (31), a conical hole (34) is formed in the connecting block (33), a sealing ball (35) is arranged in the conical hole (34), a pressure measuring bin (36) is fixedly arranged at the top of the conical hole (34), a pressure measuring device (37) is fixedly arranged at the top of an inner cavity of the pressure measuring bin (36), a connecting pipe (38) is fixedly connected with an airtight device (5), and a vent hole III (39) is formed in the position, located at the outer side of the top of the pressure measuring bin (36).
3. A pressure sensor for monitoring the air pressure under an oil well according to claim 2, wherein: the airtight device (5) comprises an inner airtight ball (51), the inner airtight ball (51) is provided with an airtight hole (52) on the inner wall of the inner airtight ball (51), the inner wall of the inner airtight ball (51) is fixedly connected with the pressure measuring device (37), the airtight hole (52) corresponds to the pressure measuring device (37), a connecting frame (53) is fixedly arranged on the outer surface of the inner airtight ball (51), an outer airtight ball (54) is fixedly arranged on the outer surface of the connecting frame (53), a liquid guide tube I (4) penetrates through the inner airtight ball (51) and the outer airtight ball (54) to extend to the outer side, and an air inlet device (55) is fixedly arranged on the outer surface of the outer airtight ball (54).
4. A pressure sensor for monitoring the air pressure under an oil well according to claim 3, wherein: the diameter of the sealing ball (35) is larger than the opening diameter of the top of the conical hole (34), and the diameter of the sealing ball (35) is smaller than the opening diameter of the bottom of the conical hole (34).
5. A pressure sensor for monitoring the air pressure under an oil well according to claim 3, wherein: the sealing ball (35) is made of rubber.
6. A pressure sensor for monitoring the air pressure under an oil well according to claim 3, wherein: the air inlet device (55) comprises a stroke sleeve (551), the stroke sleeve (551) is fixedly arranged on the outer surface of an outer airtight ball (54), a sleeve hole is formed in the top of the stroke sleeve (551), an air guide sleeve (552) is movably sleeved in the sleeve, an air inlet hole I (553) is formed in the top of the stroke sleeve (551) at the position of the outer side of the air guide sleeve (552), an air baffle plate (554) is fixedly arranged at the bottom of the air guide sleeve (552), the air baffle plate (554) is attached to the bottom of the air inlet hole I (553), an air inlet hole II (555) is formed in the position, close to the top, of the outer surface of the air guide sleeve (552), a pressing block (556) is fixedly arranged at the top of the air guide sleeve (552), a reset spring (557) is fixedly arranged at the bottom of the air baffle plate (554), and the bottom of the reset spring (557) is fixedly connected with the inner airtight ball (51).
7. A pressure sensor for monitoring the air pressure under an oil well according to claim 1, wherein: the catheter I (4), the rotary sleeve (6) and the catheter II (7) are subjected to sealing treatment.
8. A pressure sensor for monitoring the air pressure under an oil well according to claim 1, wherein: the inside of the central bin (1) and the liquid storage pipe (31) is full of water, and the top of the vent II sealing pipe (9) is kept level with the top of the liquid storage pipe (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310173273.5A CN116025340A (en) | 2023-02-28 | 2023-02-28 | Pressure sensor for monitoring air pressure under oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310173273.5A CN116025340A (en) | 2023-02-28 | 2023-02-28 | Pressure sensor for monitoring air pressure under oil well |
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| Publication Number | Publication Date |
|---|---|
| CN116025340A true CN116025340A (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310173273.5A Withdrawn CN116025340A (en) | 2023-02-28 | 2023-02-28 | Pressure sensor for monitoring air pressure under oil well |
Country Status (1)
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| CN (1) | CN116025340A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201474666U (en) * | 2009-08-20 | 2010-05-19 | 新疆华油油气工程有限公司 | Underground ball throwing control switch valve |
| CN104533394A (en) * | 2014-12-18 | 2015-04-22 | 中国航天科技集团公司烽火机械厂 | Formation pressure while drilling measuring device |
| WO2017185242A1 (en) * | 2016-04-26 | 2017-11-02 | 深圳瀚星翔科技有限公司 | Liquid injection apparatus |
| CN108468532A (en) * | 2018-05-09 | 2018-08-31 | 中国科学院深海科学与工程研究所 | A kind of petroleum pipeline sand control dredging in-pipe robot system and its method thin clearly |
| CN111894558A (en) * | 2020-08-14 | 2020-11-06 | 河南理工大学 | Method for accurately measuring low gas pressure of coal bed |
| CN113047825A (en) * | 2021-05-13 | 2021-06-29 | 中国石油大学(华东) | Pressure detection device for injecting air into tight oil reservoir |
| CN217687658U (en) * | 2022-07-13 | 2022-10-28 | 武汉闻道复兴智能科技有限责任公司 | Pressure acquisition device of air conduction pressure measurement |
-
2023
- 2023-02-28 CN CN202310173273.5A patent/CN116025340A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201474666U (en) * | 2009-08-20 | 2010-05-19 | 新疆华油油气工程有限公司 | Underground ball throwing control switch valve |
| CN104533394A (en) * | 2014-12-18 | 2015-04-22 | 中国航天科技集团公司烽火机械厂 | Formation pressure while drilling measuring device |
| WO2017185242A1 (en) * | 2016-04-26 | 2017-11-02 | 深圳瀚星翔科技有限公司 | Liquid injection apparatus |
| CN108468532A (en) * | 2018-05-09 | 2018-08-31 | 中国科学院深海科学与工程研究所 | A kind of petroleum pipeline sand control dredging in-pipe robot system and its method thin clearly |
| CN111894558A (en) * | 2020-08-14 | 2020-11-06 | 河南理工大学 | Method for accurately measuring low gas pressure of coal bed |
| CN113047825A (en) * | 2021-05-13 | 2021-06-29 | 中国石油大学(华东) | Pressure detection device for injecting air into tight oil reservoir |
| CN217687658U (en) * | 2022-07-13 | 2022-10-28 | 武汉闻道复兴智能科技有限责任公司 | Pressure acquisition device of air conduction pressure measurement |
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Application publication date: 20230428 |
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